<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>贵美商诚-商城购买页</title>
	</head>
	<style>
		header,section,footer{
			height:200px;
			border:3px solid black;
		}
	</style>
	<body>
		<header><h2>网页头部</h2></header>
		<section><h2>网页主题部分><h2></section>
		<footer><h2>网页结尾</h2></footer>
	</body>
</html>
